Finding the Fourth Proportional to 1,330,682.63, 1,836,342.05 and 727,070.63
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Solution
The fourth proportional to 1,330,682.63, 1,836,342.05 and 727,070.63 is: 1,003,357.47
Step by Step Solution
- Step 1: Write the proportion equation
1,330,682.63 : 1,836,342.05 = 727,070.63 : x - Step 2: Convert to fraction form
1,330,682.63/1,836,342.05 = 727,070.63/x - Step 3: Cross multiply
1,330,682.63x = 1,836,342.05 × 727,070.63 - Step 4: Simplify right side
1,330,682.63x = 1,335,150,358,371.93 - Step 5: Solve for x
x = 1,335,150,358,371.93/1,330,682.63 - Step 6: Final answer
x = 1,003,357.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.